# Filing Detail

Form ARS - Annual Report to Security Holders:
SEC Accession No. 0000875045-23-000021
Filing Date
2023-04-28
Accepted
2023-04-28 17:17:00
Documents
1
Period of Report
2023-04-27
Effectiveness Date
2023-04-28

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | ARS | a2022biogenannualreport.pdf | ARS | 1065494
| Complete submission text file | 0000875045-23-000021.txt |  | 1469087

Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000
BIOGEN INC. (Filer) CIK: 0000875045 (see all company filings)

EIN.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: ARS | Act: 34 | File No.: 000-19311 | Film No.: 23868336
SIC: 2836 Biological Products, (No Diagnostic Substances)